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Snakin-2, an Antimicrobial Peptide from Potato Whose Gene Is Locally Induced by Wounding and Responds to Pathogen Infection
Open accessAbstract
The peptide snakin-2 (StSN2) has been isolated from potato (Solanum tuberosum cv Jaerla) tubers and found to be active (EC50 = 1–20 μm) against fungal and bacterial plant pathogens. It causes a rapid aggregation of both Gram-positive and Gram-negative bacteria. The correspondingStSN2 cDNA encodes a signal sequence followed by a 15-residue acidic sequence that precedes the mature StSN2 peptide, which is basic (isoelectric point = 9.16) and 66 amino acid residues long (molecular weight of 7,025). The StSN2gene is developmentally expressed in tubers, stems, flowers, shoot apex, and leaves, but not in roots, or stolons, and is locally up-regulated by wounding and by abscisic acid treatment. Expression of this gene is also up-regulated after infection of potato tubers with the compatible fungus Botritys cinerea and down-regulated by the virulent bacteria Ralstonia solanacearum and Erwinia chrysanthemi. These observations are congruent with the hypothesis that the StSN2 is a component of both constitutive and inducible defense barriers.
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Wolfsberg, T. G., Primakoff, P., Myles, D. G., & White, J. M. (1995) · The Journal of cell biology · doi:10.1083/jcb.131.2.275 · Cited by 502
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Nawrot, R., Barylski, J., Nowicki, G., Broniarczyk, J., Buchwald, W., & Goździcka-Józefiak, A. (2014) · Folia Microbiologica · doi:10.1007/s12223-013-0280-4 · Cited by 431
Hunter, H. N., Fulton, D. B., Ganz, T., & Vogel, H. J. (2002) · Journal of Biological Chemistry · doi:10.1074/jbc.m205305200 · Cited by 400
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Sen, T., & Samanta, S. K. (2014) · Advances in Biochemical Engineering/Biotechnology · doi:10.1007/10_2014_273 · Cited by 330
Plant antimicrobial peptides: structures, functions, and applications
Li, J., Hu, S., Jian, W., Xie, C., & Yang, X. (2021) · Botanical Studies · doi:10.1186/s40529-021-00312-x · Cited by 312
Metadata
- Authors
- Berrocal-Lobo, M., Segura, A., Moreno, M., López, G., Garcı́a-Olmedo, F., & Molina, A.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-03-01
- Volume
- 128
- Issue
- 3
- Pages
- 951-961
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2170364423
- Cited by
- 335
- References
- 1
- FWCI
- 5.40
- Type
- journal article
- Language
- en
- Open access
- green
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- Berrocal-Lobo, M., Segura, A., Moreno, M., López, G., Garcı́a-Olmedo, F., & Molina, A. (2002). Snakin-2, an Antimicrobial Peptide from Potato Whose Gene Is Locally Induced by Wounding and Responds to Pathogen Infection. Plant Physiology. https://doi.org/10.1104/pp.010685
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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